% cat cm1.java
class cm1 {
}
//
class \u6f22\u5b57 {
}
% cat cm2.java
class cm2{
    public static void main(String args[]){
        new \u6f22\u5b57();
    }
}
% javac cm1.java
% rm cm1.java
% javac cm2.java
cm2.java:3: Class ?? not found.
        new \u6f22\u5b57();
            ^
1 error
% 

----------------------------------

Problem seems to be in:

    public void loadDefinition(ClassDeclaration c) {
...
	    Identifier nm = c.getName();
...
	    ClassFile binfile = pkg.getBinaryFile(nm.getName());


robert.field@Eng 1999-02-25